发明名称 |
Apparatus and method for media presence detection |
摘要 |
Media manipulation and sensing apparatuses including a media detector and method for media detection, wherein a light source and/or light sensor of a media detector is blocked using a light blocking mechanism, such that the detected light intensity of the light sensor is effectively zero. The media detector having such a media blocking mechanism may also be used for media type detection.
|
申请公布号 |
US6590223(B1) |
申请公布日期 |
2003.07.08 |
申请号 |
US20010898324 |
申请日期 |
2001.07.03 |
申请人 |
LEXMARK INTERNATIONAL, INC. |
发明人 |
CHELVAYOHAN MAHESAN |
分类号 |
G01V8/12;(IPC1-7):G01N21/86;G01V8/00 |
主分类号 |
G01V8/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|